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    <meta charset="UTF-8">
    <title>Welcome</title>
    <style type="text/css">
        body {
            background: url("crab.gif");
            background-position: center;
            background-repeat: no-repeat
        }
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<body>
<h1 style="z-index: 9999999;text-align: center;">Welcome to use Crab :-)</h1>
<h2 style="z-index: 9999999;text-align: center;">@author vzard</h2>
</body>
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